4.2 Flashcards
1
Q
Nitrogen fixation
A
Bacteria fixes the nitrogen for plants in forms ammonia and ammonium
2
Q
Nitrification
A
Ammonia and ammonium are converted to nitrates and nitites
3
Q
Denitrification
A
Converted nitrates and nitrites back into gas again
4
Q
Photosynthesis
A
How plants convert nutrients into energy
5
Q
Cellular Respiration
A
The process organisms use to release carbon and heat
6
Q
What type of organisms perform the processes of photosynthesis and cellular respiration
A
Plants
7
Q
How humans affect the carbon and nitrogen cycles
A
Burning fossil fuels and adding extra fertilizers
8
Q
Differentiate between how energy and how carbon flow through a food chain
A
Energy can leave the atmosphere, but carbon always stays and recycles again and again.
